Rejuran in Korea: How I Rebuild Skin From the Inside — A Gangnam Doctor's Honest Guide

Rejuran in Korea is one of the most requested treatments I do — and also one of the most misunderstood. People often arrive expecting it to plump their face like filler or lift it like a thread. That's not what it does, and I'd rather tell you that honestly before you spend a won.

I'm Dr. Hyunji Kim, director at Delphic Clinic in Gangnam. In this first-timer's guide I'll walk you through what Rejuran really is, who it genuinely suits, who I steer elsewhere, and exactly what to expect — the way I'd explain it to a friend sitting across from me in consultation.

What Rejuran actually is — in plain language

Rejuran is a polynucleotide injection — the active ingredient is highly purified DNA fragments derived from salmon (yes, really), which happen to be biologically similar to our own. When injected into the skin in tiny amounts, they act as a signal that helps your skin repair itself: better hydration retention, stronger structure, calmer inflammation and improved texture over time. Think of it as skin conditioning from the inside, not a product that fills a line.

Here's the honest part: Rejuran is not a filler and not a lifting device. It won't give you cheekbone volume, it won't lift jowls, and you won't walk out looking transformed. What it does is improve the quality of the skin itself — and that's a slow, cumulative thing. If you want instant dramatic change, this isn't the right tool, and I'll tell you so.

Who Rejuran is really for

In my chair, Rejuran as a skin booster tends to be a great fit for people who want to invest in skin health rather than chase a single obvious change. Typically that's:

• People in their late 20s to 50s noticing dull, tired, or thinning skin that products alone can't fix
• Those bothered by fine lines and crepey texture, especially under the eyes and around the mouth
• Skin that's dehydrated, sensitive or reactive and needs strengthening rather than more actives
• Patients recovering skin quality after acne, sun damage, or aggressive laser treatments
• Anyone wanting a natural, gradual 'my skin but healthier' result with minimal downtime

And who I steer elsewhere: if your main concern is deep folds or lost volume, filler is more appropriate. If it's sagging along the jaw or cheeks, we'd talk about lifting options instead. If you're pregnant, breastfeeding, have an active skin infection, or a known salmon/fish sensitivity, Rejuran isn't for you. I'd rather send you to the right treatment than sell you the wrong one.

How Rejuran compares — an honest comparison

This is the question I answer most: how does Rejuran differ from a regular skin booster, filler, or a lifting procedure? Here's a simple guide — but remember the right choice is decided in person, often as a combination.

In short: Rejuran repairs, boosters hydrate, filler adds volume, surgery restructures. They aren't competitors — they answer different questions, and a good plan often mixes two of them.

Before and after: what's realistic

Let me be straight about expectations. After your first Rejuran session you may see nothing dramatic — maybe a little more hydration. The real change shows over the full course: skin looks less tired, texture is smoother, fine lines look softer, and makeup sits better. It's the kind of result friends notice as 'you look well-rested' rather than 'what did you get done?'. Results are gradual and individual — how your skin responds depends on your starting condition, age and lifestyle.

What to expect — step by step

1. 1

   1. Free consultation

   We assess your skin, discuss your goals honestly, and decide whether Rejuran, a booster, or a combination fits you — with realistic expectations set upfront.

2. 2

   2. Numbing & prep

   We cleanse the skin and apply strong numbing cream for about 20 minutes so the injections stay comfortable.

3. 3

   3. The session

   I deliver a series of micro-injections across the treatment area. It takes roughly 15–20 minutes for the face.

4. 4

   4. Back to your day

   Tiny bumps and possible small bruises may appear but usually settle within hours to a day. Most patients go straight back to sightseeing or work.

5. 5

   5. Results build over weeks

   You'll notice improving hydration and texture over the following weeks, with the fullest effect after your complete course.

How we do Rejuran at Delphic — and why it matters

Rejuran is highly technique-dependent. The depth, the spacing of injection points, and the amount per area all affect how smooth your result looks and how few bumps you get. That's why every Rejuran treatment at Delphic is doctor-led — I do the injecting myself, using genuine, properly stored product. We tailor the type (Healer, I, HB or S) to your skin, rather than defaulting to one for everyone.

How much does Rejuran cost in Korea?

Cost depends on which Rejuran type suits your skin and how many sessions you need. Rather than quote vague ranges, here are our genuine, transparent prices:

Coming from overseas? Here's how we make it easy

We treat a lot of visitors, so we've made Rejuran in Seoul simple. We have on-site English and Chinese interpreters, so nothing gets lost in translation during consultation. Rejuran is one-day friendly — consultation and treatment happen in the same visit, and there's minimal downtime, so you can keep exploring the city afterwards. We're a direct walk from Sinnonhyeon Station Exit 3, and you pay the same price as any local patient.

Start with a free 1:1 consultation

Before any needle touches your skin, we sit down for a free, no-pressure 1:1 consultation. I'll tell you honestly whether Rejuran is right for you, whether we should combine it with something else, or whether you'd be better off with a different treatment entirely. If it's not for you, I'll say so.

🔥 Limited-time event

‹›

Book your free consultation →

If you want healthier, stronger, better-quality skin rather than a dramatic overnight change, Rejuran is one of the most rewarding treatments I offer — as long as your expectations are set honestly. Come in, ask hard questions, and let's build a plan that actually fits your skin. — Dr. Hyunji Kim, Delphic Clinic, Gangnam, Seoul.